Pita Lopez leaves the role of preserving the larger-than-life Georgia O'Keeffe legacy to find her own place in the world.

More than a quarter of our planet's natural "geomorphs" -- animals such as beavers and hippos that, collectively, can reshape ...

At this point in history, the hubristic belief that people are above nature has allowed humans to bring immeasurable change to the natural systems that all of life depends upon for survival. The ...